Heavy duty heat-treated alloy steel construction
Titanium nitride coating extends life of tool

Coarse threads: 1.0 to 1.5 pitch
Fine threads    : 0.75 to 1.5 pitch

Set includes 20 taps and dies,
flat tip screwdriver, 
adjustable tap wrench, 
adjustable tap and die wrench,
small die holder wrench,
T-handle tap wrench,
and fitted steel storage case. 

Size range: M6 to M24